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Prevent a "TypeError: pdfViewer is null" when the viewer loads (PR 5413 followup) #5488

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merged 1 commit into from
Nov 18, 2014
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Prevent a "TypeError: pdfViewer is null" when the viewer loads (PR 5413 followup) #5488

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6 changes: 3 additions & 3 deletions web/viewer.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2024,9 +2024,9 @@ window.addEventListener('keydown', function keydown(evt) {
if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
// either CTRL or META key with optional SHIFT.
var pdfViewer = PDFViewerApplication.pdfViewer;
var inPresentationMode =
pdfViewer.presentationModeState === PresentationModeState.CHANGING ||
pdfViewer.presentationModeState === PresentationModeState.FULLSCREEN;
var inPresentationMode = pdfViewer &&
(pdfViewer.presentationModeState === PresentationModeState.CHANGING ||
pdfViewer.presentationModeState === PresentationModeState.FULLSCREEN);

switch (evt.keyCode) {
case 70: // f
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